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Remove DbmsOperations from KernelStatement
- QueryTransactionalContext is extended with dbms operations - DbmsOperations are made independent of the kernel transaction as a separate dependency. - A NonTransactionalDbmsOperations implementation is provided by DataSourceModule. - The context for dbms procedure calls are set up with only AuthSubject (as AccessMode), and no kernel transaction. (This context could instead be extended in the future with a new type of dbms transaction when needed.)
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community/kernel/src/main/java/org/neo4j/kernel/impl/api/NonTransactionalDbmsOperations.java
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/* | ||
* Copyright (c) 2002-2016 "Neo Technology," | ||
* Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
* | ||
* This file is part of Neo4j. | ||
* | ||
* Neo4j is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
package org.neo4j.kernel.impl.api; | ||
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import org.neo4j.collection.RawIterator; | ||
import org.neo4j.kernel.api.DbmsOperations; | ||
import org.neo4j.kernel.api.exceptions.ProcedureException; | ||
import org.neo4j.kernel.api.proc.CallableProcedure; | ||
import org.neo4j.kernel.api.proc.ProcedureSignature; | ||
import org.neo4j.kernel.api.security.AccessMode; | ||
import org.neo4j.kernel.impl.proc.Procedures; | ||
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public class NonTransactionalDbmsOperations implements DbmsOperations | ||
{ | ||
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private final Procedures procedures; | ||
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public NonTransactionalDbmsOperations( Procedures procedures ) | ||
{ | ||
this.procedures = procedures; | ||
} | ||
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@Override | ||
public RawIterator<Object[],ProcedureException> procedureCallDbms( ProcedureSignature.ProcedureName name, | ||
Object[] input, AccessMode accessMode ) throws ProcedureException | ||
{ | ||
CallableProcedure.BasicContext ctx = new CallableProcedure.BasicContext(); | ||
ctx.put( CallableProcedure.Context.ACCESS_MODE, accessMode ); | ||
return procedures.call( ctx, name, input ); | ||
} | ||
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} |
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